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Finding the Fourth Proportional to 272,247.82, 408,105.17 and 152,363.32

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Solution

The fourth proportional to 272,247.82, 408,105.17 and 152,363.32 is: 228,395.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,247.82 : 408,105.17 = 152,363.32 : x
  2. Step 2: Convert to fraction form
    272,247.82/408,105.17 = 152,363.32/x
  3. Step 3: Cross multiply
    272,247.82x = 408,105.17 × 152,363.32
  4. Step 4: Simplify right side
    272,247.82x = 62,180,257,971.01
  5. Step 5: Solve for x
    x = 62,180,257,971.01/272,247.82
  6. Step 6: Final answer
    x = 228,395.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.